[PATCH v2] shell32: Implement SHCreateItemInKnownFolder.

[Huw Davies]

On Fri, Aug 04, 2017 at 02:54:15PM +0800, Jactry Zeng wrote:
> diff --git a/dlls/shell32/tests/shlfolder.c b/dlls/shell32/tests/shlfolder.c
> index 9e7127dfea..b77619d428 100644
> --- a/dlls/shell32/tests/shlfolder.c
> +++ b/dlls/shell32/tests/shlfolder.c
> @@ -2519,6 +2521,120 @@ static void test_SHCreateShellItem(void)
>      else
>          win_skip("No SHCreateItemFromIDList\n");
>  
> +    /* SHCreateItemInKnownFolder */
> +    if(pSHCreateItemInKnownFolder)
> +    {
> +        WCHAR *desktop_path;
> +        WCHAR testfile_path[MAX_PATH] = {0};
> +        HANDLE file;
> +        WCHAR *displayname = NULL;
> +        int order;
> +        LPITEMIDLIST pidl_desktop_testfile = NULL;
> +
> +        if(0)
> +        {
> +            /* crashes on Windows */
> +            pSHCreateItemInKnownFolder(NULL, 0, NULL, NULL, NULL);
> +            pSHCreateItemInKnownFolder(&FOLDERID_Desktop, 0, NULL, NULL, NULL);
> +            pSHCreateItemInKnownFolder(&FOLDERID_Desktop, 0, testfileW, &IID_IShellItem, NULL);
> +        }
> +
> +        shellitem = (void*)0xdeadbeef;
> +        ret = pSHCreateItemInKnownFolder(&FOLDERID_Desktop, 0, NULL, &IID_IShellItem,
> +                                         (void**)&shellitem);
> +        ok(ret == S_OK, "SHCreateItemInKnownFolder failed: 0x%08x.\n", ret);
> +        ok(shellitem != NULL, "shellitem was %p.\n", shellitem);
> +        if(SUCCEEDED(ret))
> +        {
> +            shellitem2 = (void*)0xdeadbeef;
> +            ret = pSHCreateShellItem(NULL, NULL, pidl_desktop, &shellitem2);
> +            ok(SUCCEEDED(ret), "SHCreateShellItem returned %x\n", ret);
> +            if(SUCCEEDED(ret))
> +            {
> +                ret = IShellItem_Compare(shellitem, shellitem2, 0, &order);
> +                ok(ret == S_OK, "IShellItem_Compare failed: 0x%08x\n", ret);
> +                ok(!order, "order got wrong value: %d\n", order);
> +                IShellItem_Release(shellitem2);
> +            }
> +            IShellItem_Release(shellitem);
> +        }
> +
> +        /* Test with a non-existent file */
> +        shellitem = (void*)0xdeadbeef;
> +        ret = pSHCreateItemInKnownFolder(&FOLDERID_Desktop, 0, testfileW, &IID_IShellItem,
> +                                         (void**)&shellitem);
> +        ok(ret == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND), "Expected 0x%08x but SHCreateItemInKnownFolder return: 0x%08x.\n",
> +           HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND), ret);
> +        ok(shellitem == NULL, "shellitem was %p.\n", shellitem);
> +
> +        SHGetKnownFolderPath(&FOLDERID_Desktop, 0, NULL, &desktop_path);

It looks like SHGetKnownFolderPath is not available on WinXP, so
you'll have to load it dynamically.  OTOH I think SHCreateItemInKnownFolder()
is available on all the platforms that we care about, so you can static link
to that one.

Huw.